Sargent 7800 Series Mortise Locks

The 7800 Series is a Sargent mortise lock line covering commercial openings where a mortise lock is specified, and the heaviest configuration isn't required. Shop the 7800 Series in commercial functions with lever trim, conventional and interchangeable core keying options, across the standard BHMA finish range. In stock at Commercial Door Hardware and shipping the same day.

Where the 7800 Fits

Sargent builds more than one mortise line, and the difference comes down to duty level and feature breadth rather than basic operation. Both put a lock case in the door edge and both offer commercial functions.

The question to work from is the opening. A mortise lock on a university corridor cycling constantly and a mortise lock on a professional office suite door both benefit from mortise construction, but they don't need identical hardware.

Confirm the duty rating and cycle testing for the specific configuration on the product page, and step up where the opening justifies it.

Why Mortise Even on Lighter Openings

If the opening isn't punishing, why specify a mortise lock rather than a cylindrical one?

Appearance. Mortise trim uses larger roses and escutcheons that read as more substantial hardware. On a law office, a boardroom or a professional suite, that matters.

Function. Some functions only exist in mortise form, particularly those combining a latch with an independent deadbolt.

Consistency. A building with mortise locks on its main openings often specifies mortise throughout so every door matches, rather than mixing mortise trim and cylindrical roses along one corridor.

Serviceability. Mortise locks are built to be taken apart. Trim, cylinders, spindles and the case itself are replaced individually, which keeps a building's hardware in service for decades.

Function Guide

Confirm function numbers and their exact behavior against Sargent's documentation, since designations carry specific operation that matters at the opening.

Available Finishes

• 626 satin chrome is the default and carries the deepest stock.

• Bronze finishes suit professional and architectural interiors, which is where lighter mortise specifications often land.

• Confirm availability for your trim and function on the product page.

• Match the lock to the hinges, closer, and other hardware on the opening.

Benefits of the 7800 Series

• Mortise construction on openings that want mortise trim without the heaviest configuration.

• Full commercial function range from passage through storeroom.

• Substantial trim appearance suited to professional and architectural interiors.

• Serviceable in parts, with trim, cylinders, and cases replaced separately.

• Keying flexibility across conventional and interchangeable core systems.

• Consistency across a building where mortise is the standard.

• Wide finish range including stainless and powder coat.

• Ready to ship. In-stock locks ship the same day.

Applications

• Professional offices including law, medical, and financial practices.

• Boardrooms and executive suites.

• Interior institutional doors with moderate traffic.

• Hotel and multifamily corridor and unit doors.

• Restrooms using privacy functions.

• Office suite entrances using entrance and office functions.

• Buildings standardized on mortise hardware throughout.

• Mortise lock replacements where existing hardware is being matched.

Everything in this collection is in stock at Commercialdoorhardware.com and ships the same day.